1 // 2 // Copyright 2021 The Sigstore Authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 package oci 17 18 import "github.com/google/go-containerregistry/pkg/v1/types" 19 20 // File is a degenerate form of SignedImage that stores a single file as a v1.Layer 21 type File interface { 22 SignedImage 23 24 // FileMediaType retrieves the media type of the File 25 FileMediaType() (types.MediaType, error) 26 27 // Payload fetches the opaque data that is being signed. 28 // This will always return data when there is no error. 29 Payload() ([]byte, error) 30 } 31